Locking plate for connecting a trailer and towing coupling ball



FIG. 1 is a frontal isometric view showing my locking plate for connecting a trailer and a towing coupling ball;

FIG. 2 is a rear isometric view thereof;

FIG. 3 is a top plan view thereof, the opposite side being a mirror thereof; and,

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image. 

The ornamental design for a locking plate for connecting a trailer and a towing coupling ball, as shown and described. 